|  |  | Primary Studies | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Systematic Reviews | Donzelli et al. 2006 [27] | Gladwell et al. 2006 [31] | da Fonseca et al. 2009 [26] | Rydeard et al. 2006 [25] | Vad et al. 2007 [30]+ | Anderson 2005 [24]* | Gagnon 2005 [28]* | MacIntyre 2006 [29]* | Quinn 2005 [35]* | O’Brien et al. 2006 [32] ** |
1. Aladro-Gonzalvo et al. 2012 [10] | √ | √ | √ | √ |  | √ | √ | √ | √ | √ |
2. La Touche et al. 2008 [6] | √ | √ |  | √ |  |  |  |  |  |  |
3. Lim et al. 2011 [7] | √ | √ |  | √ |  | √ | √ |  | √ | √ |
4. Pereira et al. 2012 [8] |  | √ |  | √ |  | √ | √ |  |  | √ |
5. Posadzki et al. 2011 [9] | √ | √ |  | √ | √ |  |  |  |  |  |